397328496680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2523041}}^1$

素因数の和:2523210

約数の個数: 64

約数和(自身を含む): 930094202880

約数和(自身を除く): 532765706200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 3937, 5080, 7874, 15748, 19685, 31496, 39370, 78740, 157480, 2523041, 5046082, 10092164, 12615205, 20184328, 25230410, 50460820, 78214271, 100921640, 156428542, 312857084, 320426207, 391071355, 625714168, 640852414, 782142710, 1281704828, 1564285420, 1602131035, 2563409656, 3128570840, 3204262070, 6408524140, 9933212417, 12817048280, 19866424834, 39732849668, 49666062085, 79465699336, 99332124170, 198664248340, 397328496680]

約数ペア:

[(1, 397328496680), (2, 198664248340), (4, 99332124170), (5, 79465699336), (8, 49666062085), (10, 39732849668), (20, 19866424834), (31, 12817048280), (40, 9933212417), (62, 6408524140), (124, 3204262070), (127, 3128570840), (155, 2563409656), (248, 1602131035), (254, 1564285420), (310, 1281704828), (508, 782142710), (620, 640852414), (635, 625714168), (1016, 391071355), (1240, 320426207), (1270, 312857084), (2540, 156428542), (3937, 100921640), (5080, 78214271), (7874, 50460820), (15748, 25230410), (19685, 20184328), (31496, 12615205), (39370, 10092164), (78740, 5046082), (157480, 2523041)]